76519138 has 4 divisors (see below), whose sum is σ = 114778710. Its totient is φ = 38259568.

The previous prime is 76519123. The next prime is 76519141. The reversal of 76519138 is 83191567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83191567 = 311 ⋅267497.

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 15944049 = 7783^2 + 3993^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76519138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19129783 + ... + 19129786.

Almost surely, 2^76519138 is an apocalyptic number.

76519138 is a deficient number, since it is larger than the sum of its proper divisors (38259572).

76519138 is a wasteful number, since it uses less digits than its factorization.

76519138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38259571.

The product of its digits is 45360, while the sum is 40.

The square root of 76519138 is about 8747.5218204929. The cubic root of 76519138 is about 424.5446343033.

The spelling of 76519138 in words is "seventy-six million, five hundred nineteen thousand, one hundred thirty-eight".